<?xml version="1.0" encoding="utf-8"?>
<section xmlns:db="http://docbook.org/docbook-ng"
         xmlns:xi="http://www.w3.org/2001/XInclude"
         xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
         xml:id="writingfilters">
  <title>Writing Filters</title>
  <section id="extendbasefilter">
    <title>Extending basefilter</title>
  </section>
  <section id="filtersettings">
    <title>Defining configurable settings</title>
  </section>
  <section id="filterpitfalls">
    <title>Pitfalls to avoid</title>
  </section>

</section>
